using System;
using PetShop.Model;
using System.Collections.Generic;

namespace PetShop.IDAL
{

    /// <summary>
    /// Interface for the Category DAL
    /// </summary>
    public interface ICategory
    {

        /// <summary>
        /// Method to get all categories
        /// </summary>		
        /// <returns>Interface to Model Collection Generic of categories</returns>
        IList<CategoryInfo> GetCategories();

        /// <summary>
        /// Get information on a specific category
        /// </summary>
        /// <param name="categoryId">Unique identifier for a category</param>
        /// <returns>Business Entity representing an category</returns>
        CategoryInfo GetCategory(string categoryId);
    }
}
